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Finding the Fourth Proportional to 44,896.88, 67,390.68 and 40,484

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Solution

The fourth proportional to 44,896.88, 67,390.68 and 40,484 is: 60,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,896.88 : 67,390.68 = 40,484 : x
  2. Step 2: Convert to fraction form
    44,896.88/67,390.68 = 40,484/x
  3. Step 3: Cross multiply
    44,896.88x = 67,390.68 × 40,484
  4. Step 4: Simplify right side
    44,896.88x = 2,728,244,289.12
  5. Step 5: Solve for x
    x = 2,728,244,289.12/44,896.88
  6. Step 6: Final answer
    x = 60,766.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.